Hydraulic Fluid Machine With Rotor-Synchronous Valve Control
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Solution Overview
Problem
Conventional fluid machines require complex and maintenance-intensive systems with separate control units for synchronized valve operation, leading to pressure loss and structural complexity.
Innovation Solution
The fluid machine employs eccentric valve discs and an inner machine housing to create a through-channel for fluid flow, allowing direct synchronous control of inlet and outlet valves without the need for additional control units, utilizing the rotor's movement to regulate fluid flow and minimize leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate control units are used to control inlet and outlet valves synchronously, then valve operation reliability is improved, but device complexity increases and maintenance becomes more intensive
Solution Approach 1:
The inlet valve and outlet valve are merged into a single valve unit with a common valve body and shared sealing mechanism. The valve disc controls both inlet and outlet channels simultaneously, eliminating the need for separate control units while maintaining synchronized operation reliability through the inherent mechanical coupling of the single valve design
Solution Approach 2:
The single valve unit performs multiple functions by controlling both inlet and outlet channels through its valve disc and valve body structure. The valve serves as a multi-functional component that regulates fluid flow in both directions without requiring additional specialized control mechanisms
2Reliability
If conventional sealing means are used to prevent fluid leakage, then sealing reliability is improved, but device complexity increases and maintenance intensity increases
Solution Approach 1:
The valve disc and valve body form a self-sealing mechanism where the pressure differential across the valve automatically ensures sealing contact. The design eliminates the need for additional sealing rings, gaskets, or sealing means by utilizing the inherent mechanical and pressure-based sealing properties of the valve components themselves
Solution Approach 2:
The sealing surfaces are formed by homogeneous, continuously machined surfaces of the valve disc and valve body rather than by assembling disparate sealing components. This homogeneous sealing approach reduces complexity while maintaining reliability through precise manufacturing of the sealing interfaces
3Adaptability or versatility
If multiple valve components are assembled to form inlet and outlet valves, then valve functionality is improved, but manufacturing complexity increases
Solution Approach 1:
The inlet valve and outlet valve are merged into a single integrated valve unit with one valve body and one valve disc that controls both channels. This merging reduces the number of discrete components that need to be manufactured and assembled, simplifying production while maintaining the functionality of controlling both inlet and outlet flows
Solution Approach 2:
The single valve unit is designed to perform multiple functions by regulating both inlet and outlet channels through its valve disc position relative to the valve body. This multi-functional design reduces the total number of valve components needed, thereby simplifying manufacturing and assembly processes
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design simplifies the construction, reduces maintenance, minimizes leakage, and enhances efficiency by eliminating the need for sealing means and separate control units, enabling continuous operation with reduced friction and wear.
Implementation Method 1
The hydraulic oil flows into a typically cylindrical machine housing, in which a rotor is located, from an inlet side, often referred to as the high-pressure side, through a working chamber to an outlet side, often referred to as the low-pressure side, causing the rotor to rotate to generate the drive torque.
Implementation Method 2
a through-channel through which the fluid can flow into the at least one working chamber through an inlet valve is delimited by eccentric valve discs and an inner wall of a machine housing or an inner machine housing
Data Source
Figure 1a~1b
Figure 1c~2a
Figure 2b~2c
AI summary
The invention relates to a fluid machine (1; 1a; 1b; 1c), in particular a hydraulic machine, which comprises at least one working chamber (14; 14a; 14b; 14c), wherein a rotor (3; 3a; 3b) is rotatable by a torque or by a fluid that flows into the at least one working chamber (14; 14a; 14b; 14c) on an inlet side and out of the at least one working chamber on an outlet side in order to operate the machine. A rotation of the rotor (3; 3a; 3b) in practice causes at least one valve (9, 10; 9a, 10a; 9b, 10b; 48) to be controlled. The valve is controlled directly via a movement of the rotor and synchronously thereto. An additional control unit for controlling the at least one valve is advantageously not required.